165275252 has 6 divisors (see below), whose sum is σ = 289231698. Its totient is φ = 82637624.

The previous prime is 165275213. The next prime is 165275261. The reversal of 165275252 is 252572561.

It can be written as a sum of positive squares in only one way, i.e., 164968336 + 306916 = 12844^2 + 554^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20659403 + ... + 20659410.

It is an arithmetic number, because the mean of its divisors is an integer number (48205283).

Almost surely, 2^165275252 is an apocalyptic number.

It is an amenable number.

165275252 is a deficient number, since it is larger than the sum of its proper divisors (123956446).

165275252 is a wasteful number, since it uses less digits than its factorization.

165275252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41318817 (or 41318815 counting only the distinct ones).

The product of its digits is 42000, while the sum is 35.

The square root of 165275252 is about 12855.9422836290. The cubic root of 165275252 is about 548.7854765074.

The spelling of 165275252 in words is "one hundred sixty-five million, two hundred seventy-five thousand, two hundred fifty-two".